Tauhara Geothermal Power Station

Demolition/Removal of Mechanical Equipment including:

• Decommissioning and removal of existing large bore pipework

Pipe fabrication and installation including:

• Spooling and installation of free issue Carbon and Stainless Large/Small bore piping for water lines, including cooling and process water systems, control oil piping, Instrument Air piping, gland steam, compressed air, GES (Gas extraction system) and ejector piping.

• Installation of underground and above ground FRP large bore piping to Cooling tower.

• Fabrication and installation of the Ceco Scrubber Vessels and connections.

• The piping systems for transporting water from the geothermal reservoir to the power station and vice versa.

• Installation of low-pressure gas piping

• Coded pipe welding covering a range from 15 nominal bore to 1250 mm, utilising materials such as stainless steel, carbon steel, and low-temperature carbon steel.

• Integration of piping systems with other mechanical components to ensure efficient operation of the geothermal power station

Installation of critical components including:

• Steam turbine generator supplied by Fuji Electric – the world’s biggest single-turbine geothermal power unit at 174 MW

• Hotwell pumps to main cooling system

• Chemical treatment system

• Installation of Condensers x 2 including methodology changes once they arrived in NZL.

• Installation of generators

• Fabrication and installation of 3500NB Hot water suction header.

• Installation of induced draft cooling towers risers only and associated infrastructure.

• Fabrication and installation of piping systems for transporting water between the geothermal reservoir and the power station.

• Installation of heat exchangers for transferring heat between water and steam or air, along with various mechanical components such as valves, fittings, and gaskets.